Graham Platner's collapse is fueling debate over Abdul el Sayed and whether Democrats have learned new lessons about electability and candidate vetting.

The Maine Democrat may have met a scandal he can’t beat.

Democrats are divided over who bears responsibility for Graham Platner's rise after new allegations reignited questions about candidate vetting.

“We're gonna win someday,” the former Maine Senate hopeful concluded. A lot is riding on whether his voters believe that.